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Refactoring

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This commit is contained in:
Brad Morgan 2013-05-05 14:24:05 -04:00
parent d97669593a
commit 3eed595e85
1 changed files with 66 additions and 27 deletions
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93
src/transports/ssh.c
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@ -254,13 +254,50 @@ static int _git_ssh_authenticate_session(
break;
}
default:
rc = -1;
rc = LIBSSH2_ERROR_AUTHENTICATION_FAILED;
}
} while (LIBSSH2_ERROR_EAGAIN == rc || LIBSSH2_ERROR_TIMEOUT == rc);
return rc;
}
static int _git_ssh_session_create
(
LIBSSH2_SESSION** session,
gitno_socket socket
)
{
if (!session) {
return -1;
}
LIBSSH2_SESSION* s = libssh2_session_init();
if (!s)
return -1;
int rc = 0;
do {
rc = libssh2_session_startup(s, socket.socket);
} while (LIBSSH2_ERROR_EAGAIN == rc || LIBSSH2_ERROR_TIMEOUT == rc);
if (0 != rc) {
goto on_error;
}
libssh2_session_set_blocking(s, 1);
*session = s;
return 0;
on_error:
if (s) {
libssh2_session_free(s), s = NULL;
}
return -1;
}
static int _git_ssh_setup_conn(
ssh_subtransport *t,
const char *url,
@ -268,9 +305,11 @@ static int _git_ssh_setup_conn(
git_smart_subtransport_stream **stream
)
{
char *host, *port, *user=NULL, *pass=NULL;
const char *default_port = "22";
char *host, *port=NULL, *user=NULL, *pass=NULL;
const char *default_port="22";
ssh_stream *s;
LIBSSH2_SESSION* session=NULL;
LIBSSH2_CHANNEL* channel=NULL;
*stream = NULL;
if (ssh_stream_alloc(t, url, cmd, stream) < 0)
@ -307,34 +346,15 @@ static int _git_ssh_setup_conn(
user = git__strdup(default_user);
}
LIBSSH2_SESSION* session = libssh2_session_init();
if (!session)
goto on_error;
int rc = 0;
do {
rc = libssh2_session_startup(session, s->socket.socket);
} while (LIBSSH2_ERROR_EAGAIN == rc || LIBSSH2_ERROR_TIMEOUT == rc);
if (0 != rc) {
goto on_error;
}
libssh2_trace(session, 0x1FF);
libssh2_session_set_blocking(session, 1);
if (_git_ssh_authenticate_session(session, user, t->cred) < 0) {
if (_git_ssh_session_create(&session, s->socket) < 0)
goto on_error;
}
LIBSSH2_CHANNEL* channel = NULL;
do {
channel = libssh2_channel_open_session(session);
} while (LIBSSH2_ERROR_EAGAIN == rc || LIBSSH2_ERROR_TIMEOUT == rc);
if (_git_ssh_authenticate_session(session, user, t->cred) < 0)
goto on_error;
if (!channel) {
channel = libssh2_channel_open_session(session);
if (!channel)
goto on_error;
}
libssh2_channel_set_blocking(channel, 1);
@ -343,6 +363,14 @@ static int _git_ssh_setup_conn(
t->current_stream = s;
git__free(host);
git__free(port);
if (user) {
git__free(user);
}
if (pass) {
git__free(pass);
}
return 0;
on_error:
@ -350,6 +378,17 @@ on_error:
ssh_stream_free(*stream);
git__free(host);
git__free(port);
if (user) {
git__free(user);
}
if (pass) {
git__free(pass);
}
if (session) {
libssh2_session_free(session), session = NULL;
}
return -1;
}